1. Made of high quality rubber + alloy lock-rings, durable to use. 2. Ergonomic grip shape, comfort grip feeling. 3. Anti-slip design bike grips would relieve your fatigue and hands pain for long distance cycling! 4. High quality rubber makes you feel very comfortable, it does not stimulate the skin. 5. Pliable Rubber which also helps absorb just about all road shock and vibration.